期刊
CHEMSUSCHEM
卷 9, 期 17, 页码 2298-2300出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cssc.201600669
关键词
biomass; branched hydrocarbonss; catalysis; fuels; hydrodeoxygenation
资金
- Los Alamos National Laboratory LDRD program [LDRD20160095ER, LDRD20130757ECR, LDRD2010089DR]
- Office of Energy Efficiency & Renewable Energy (EERE) Bioenergy Technology Office [WBS 2.3.1.103]
- National Nuclear Security Administration of the U.S. Department of Energy [DE-AC5206A25396]
Oligosaccharides, such as starch, cellulose, and hemicelluloses, are abundant and easily obtainable bio-derived materials that can potentially be used as precursors for fuels and chemical feedstocks. To access the pertinent molecular building blocks (i.e., 5- or 6-carbon containing sugar units) located within these biopolymers and transform them into useful fuel precursors, oligosaccharide depolymerization followed by chain extension is required. This chain extension can readily be performed via a Garcia-Gonzalez-like approach using -diketones under mild conditions to provide fuel precursors containing an increased carbon atom content that meets fuel requirements. In a subsequent step, ring opening and hydrodeoxygenation chemistry of these species allows for the preparation of branched alkanes under relatively mild conditions. This approach can be applied to monomeric sugars (glucose and xylose), oligosaccharides (starch), and potentially to hydrolyzed dedicated energy crops to allow the conversion of real biomass into fuel type molecules.
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